XPfw_IpiReadResponse() is used to read the IPI response for the
message sent. This function internally calls the IPI driver read API with buffer
type as response buffer.
|ModPtr||Module pointer to check which module received this IPI response|
|SrcCpuMask||Source IPI ID to read IPI response|
|MsgPtr||Response Message Pointer|
|MsgLen||Response Message Length|
XST_SUCCESS: If IPI response is read successfully.
XST_FAILURE: If response fails.